Table 2.
Summary of findings of 22 pregnant patients with internal hernias after gastric bypass surgery (literature review).
| Characteristic | Value |
|---|---|
| Mean age in years | 31.2 (s = 5.2) |
| 20–25 | 3 |
| 26–30 | 7 |
| 31–35 | 7 |
| 36–41 | 5 |
| Median gestational age (weeks) | 30.5 |
| Type of bariatric surgery performeda | |
| Laparotomy | 4 (19%) |
| Laparoscopy | 17 (81%) |
| Median time since bariatric surgery (years) | 2 |
| Presenting symptoms | |
| Abdominal pain | 22 (100%) |
| Nausea | 12 (54.5%) |
| Vomiting | 10 (45.5%) |
| Uterine contractions | 1 (4.5%) |
| Median duration of symptoms (h) | 48 |
| Exploratory surgery performed | |
| Laparotomy | 12 (54.5%) |
| Laparoscopy | 5 (22.7%) |
| Laparotomy + C-section | 3 (13.6%) |
| Laparoscopy + laparotomy | 2 (9%) |
| Findings/locationb | |
| Internal hernia; Petersen's space | 10 (45.5%) |
| Internal hernia; jejunojejunostomy | 6 (27.2%) |
| Internal hernia; mesocolon defect | 2 (9%) |
| Other | 4 (18.1%) |
| Outcomes | |
| Maternal death | 2 (9%) |
| Fetal death | 3 (13.6%) |
s, sample standard deviation.
a
In one case the type of bariatric surgery was not reported.
b
In one case the location of the internal hernia was not reported.